This talk was delivered by Dr Amit Pawa at the American Society of Regional Anesthesia and Pain Medicine Spring conference in Hollywood, Miami in April 2023. It was one of the lectures delivered as part of a series of guideline updates. Whilst the remit was "European Guidelines" much of the content comes from the UK.

Dr Pawa is grateful to Professor Iain Moppett who helped advise him during the lecture preparation. He would also like to apologise for the nasal tone of the recording (he was recovering from upper respiratory tract infection at the time of recording!)_